1 answer

600nm infrared light is passed through a 0.5mm slit. A pattern of light and dark lines...

Question:

600nm infrared light is passed through a 0.5mm slit. A pattern of light and dark lines appears on a screen 1.5m away. What is the spacing between dark lines?


Answers

Here ,

wavelength = 600 nm

d = 0.50 mm

D = 1.5 m

spacing between dark lines = wavelength * D/d

spacing between dark lines = 600 *10^-9 * 1.50/(0.50 *10^-3)

spacing between dark lines = 0.0018 m

the spacing between dark lines is 0.0018 m

.

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